Plaster



I06. COMPOSITIONS,

COATING OR PLASTIC.

UNITED STATES PATENT OFFICE.

JOSEPH E. TURNER, OF KANSAS CITY, MISSOURI.

PLASTER.

SPECIFICATION forming part Of Letters Patent No. 424,517, dated April 1,1890.

Application filed JanuaryQ, 1890. Serial No. 336,390. (No specimens.)

To all whom, it may concern.-

Be it known that I, JOSEPH E. TURNER, a citizen of the United States,residing at Kansas City, in the countyof Jackson and State of 5Missouri, have invented certain new and useful Improvements in Plaster;and I do hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which I it appertains to make and use the same.

My invention relates to an improvement in plaster.

The object is to provide a plaster which shall be impervious to water,thereby prer venting the wall from absorbing and retaining dampness, andwhich will not be liable to crack under the influence of heat, and whichwill adhere firmly and endure for a long period.

With these ends in view my invention consists in a plaster composed ofsand cement,

plaster-ofaris,prepareds l a g, ue,

The above ingredients are To be ta en in the proportion, by weight, ofabout twentyfour parts of sand seven partsof cement seven parts ofpIaster-of-paris1 three parE of prepared slag one-t 11' pa g ue,one-fourth part alum.

The several ingredients, taken in substantially the proportionssubstantially as above 0 what I claim as new, and desire to secure byLetters Patent, is-

The herein-described plaster, composed of sand, cement,plaster-of-paris, prepared slag, glue, and alum, taken in theproportions substantially as set forth.

In testimony whereof I have afiixed my signature in presence of twowitnesses.

VI'itnesses:

BESSIE E. YOUNG, DIMMICK D. DRAKE.

JOSEPH E. TURNER.

